1. Department of Public Health, Occupational and Environmental Medicine, Suez Canal University, Ismailia, Egypt
2. Department of Neurology, Suez Canal University, Ismailia, Egypt
3. Department of Clinical Pathology, Suez Canal University, Ismailia, Egypt
4. Department of Department of Community Medicine and Pilgrims Healthcare, Umm Al Qura University, Makkah, Saudi Arabia
5. Department of Medicine, Faculty of Medicine, Umm Al Qura University, Makkah, Saudi Arabia
6. Department of Family Medicine, Faculty of Medicine, Suez Canal University, Ismailia, Egypt